California Gas Additive Standard Back Catalog number: 92718 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11789.12-50-NN 2,4,8-Trichlorodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request 0975.27-10-IOX10 d4 C27 alpha alpha alpha (20R)-Cholestane Price on request 66089 2,2’,3,4,6’-Pentachlorobiphenyl (89) Price on request